CN112738448A - MCU switching system based on E1 private line and communication method thereof - Google Patents
MCU switching system based on E1 private line and communication method thereof Download PDFInfo
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention discloses an MCU switching system based on E1 private line and a communication method thereof, comprising a plurality of remote conference terminals, remote switching equipment, primary switching equipment and standby switching equipment, when the main MCU fails, can switch all/part of the conference to the standby MCU by one key, so that the held conference can be switched in a very short time, the normal operation of the conference is ensured, can meet the backup deployment requirements of long distance, wide range and scattered nodes, solves the problem of repeated investment of manpower, material resources and financial resources, saves resources, provides a backup means and a method for solving the multi-scene backup requirement and realizing rapidness and convenience, meanwhile, the state of the connected optical/electric lines can be detected, line fault positioning is realized, the whole switching process only needs one-key operation of software communication, the main meeting place is not sensed, and other meeting places complete the switching work of the main MCU and the standby MCU within 20 seconds under the full configuration condition.
Description
Technical Field
The invention belongs to the field of communication products and relates to a conference switching processing method, in particular to an MCU switching system based on an E1 private line and a communication method thereof.
Background
In the existing life, the conference service has three requirements on a video conference system, namely high system security and confidentiality, low time delay of a bearing network and high stability and reliability of the system, the E1 circuit transmission is based on a circuit switching network, the audio and video communication between the two points is completed through the fixed circuit connection, the link is completely shared after the connection is established, the communication control is simple, the transmission time delay is low, the jitter is avoided, the communication safety and the security are high, the characteristics of the E1 transmission network completely conform to the networking use requirements of the video conference system, video conference systems using E1 transmission networks as the bearer network are widely used in various industries, for the problem of MCU backup in a video conference system based on E1 private line communication, the conventional method mainly realizes that a conference terminal is switched from a main MCU to a standby MCU in a manual jumper mode, and has long time consumption and high error rate.
The invention content is as follows:
the present invention is directed to provide an MCU switching system based on E1 private line and a communication method thereof to solve the above problems, and solve the problems mentioned in the background art.
In order to solve the above problems, the present invention provides a technical solution:
an MCU switching system based on E1 private line comprises a plurality of far-end conference terminals, a far-end switching device, a main switching device and a standby switching device, wherein the far-end switching device is electrically connected with the far-end conference terminals, the far-end switching device is electrically connected with the main switching device and the standby switching device respectively, the main switching device and the standby switching device are electrically connected, the output end of the main switching device is electrically connected with a local conference terminal, the output end of the main switching device is electrically connected with a switch through CAT, the output end of the switch is electrically connected with a PC server, the output end of the main switching device is electrically connected with a main MCU, the main MCU is electrically connected with the switch, the output end of the main MCU is electrically connected with an image platform, and the output end of the image platform is electrically connected with a matrix server through DVI, the output end of the matrix server is electrically connected with a television wall server, and the output end of the standby switching equipment is electrically connected with a standby MCU.
Preferably, the remote switching device, the main switching device and the standby switching device together form a switching device, a liquid crystal screen and an operating system thereof are embedded in the switching device, and the switching device realizes visual monitoring communication with a communication function inside the machine through a custom bottom layer protocol.
Preferably, the far-end conference terminal converges the video traffic to the far-end switcher device by transmission communication.
Preferably, the far-end switching device, the main switching device and the standby switching device are connected by optical fibers to form a ring-shaped networking.
Preferably, the conference terminal service of the local conference place is directly connected to the main switching device.
Preferably, the video images of the far-end conference terminal are gathered to the main MCU, and are accessed to the video wall server through connecting the image platform and the matrix server.
A communication method of an MCU switching system based on an E1 private line comprises the following steps:
s1, firstly, the video service is converged to the far-end switcher equipment by the far-end conference terminal of the branch conference place through transmission communication, meanwhile, the far-end switching equipment, the main switching equipment and the standby switching equipment are connected through optical fibers to form an annular network, meanwhile, the conference terminal service of the local conference place is directly connected to the main switching equipment, and the main MCU and the standby MCU are respectively connected with the main switching equipment and the standby switching equipment;
s2, then, the video images of the remote conference are gathered to the main MCU, the television wall server is accessed by connecting the image platform and the matrix server, and meanwhile, the main switching equipment and the main MCU are connected with the PC server to control the switching and establish the conference service;
s3, when the main MCU has sudden failure, all/part of video conference service can be quickly backed up to the standby MCU through the switching device according to the failure, the main meeting place has no perception, the conference can be ensured to be continued, when the line has failure, all/part of service can be automatically switched through the circuit backup through the protection of the ring network, simultaneously the connected optical/electric line state can be detected, the line failure positioning is realized, the backup of any two points of MCU is not limited by regions through the optical fiber connection switching device, simultaneously the switching device is embedded with a liquid crystal screen and an operating system thereof, the real-time reporting of the data to the working state is realized through the communication function of the self-defined bottom layer protocol and the inside of the machine, the failure diagnosis functions of service, line, port and the like are provided, and the visual monitoring communication can be completed.
The invention has the beneficial effects that: according to the invention, through a packet switching principle, when a main MCU fails, all/part of conferences can be switched to a standby MCU by one key, so that the held conferences can be switched in a very short time, the normal running of the conferences is ensured, the backup deployment requirements of long distance, wide range and node dispersion can be met, the problem of repeated investment of manpower, material resources and financial resources is solved, resources are saved, a backup means and a method for solving the multi-scene backup requirement and realizing rapidness and convenience are provided, meanwhile, the connected optical/electric line state can be detected, the line fault location is realized, the whole switching process only needs one key of software communication operation, the main meeting place is not sensed, and other meeting places complete the main-standby MCU switching work within 20 seconds under the full configuration condition.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
The specific implementation mode is as follows:
as shown in fig. 1, the following technical solutions are adopted in the present embodiment:
example (b):
an MCU switching system based on E1 private line comprises a plurality of far-end conference terminals, a far-end switching device, a main switching device and a standby switching device, wherein the far-end switching device is electrically connected with the far-end conference terminals, the far-end switching device is electrically connected with the main switching device and the standby switching device respectively, the main switching device and the standby switching device are electrically connected, the output end of the main switching device is electrically connected with a local conference terminal, the output end of the main switching device is electrically connected with a switch through CAT, the output end of the switch is electrically connected with a PC server, the output end of the main switching device is electrically connected with a main MCU, the main MCU is electrically connected with the switch, the output end of the main MCU is electrically connected with an image platform, and the output end of the image platform is electrically connected with a matrix server through DVI, the output end of the matrix server is electrically connected with a television wall server, and the output end of the standby switching equipment is electrically connected with a standby MCU.
The remote switching equipment, the main switching equipment and the standby switching equipment jointly form switching equipment, a liquid crystal screen and an operating system thereof are embedded in the switching equipment, and the switching equipment realizes visual monitoring communication with the communication function in the machine through a user-defined bottom layer protocol.
Wherein the far-end conference terminal converges the video traffic to the far-end switcher device through transmission communication.
The far-end switching equipment, the main switching equipment and the standby switching equipment are connected through optical fibers to form a ring-shaped network.
And the conference terminal service of the local conference place is directly connected to the main switching equipment.
And the video images of the far-end conference terminal are converged to the main MCU, and are accessed to the television wall server through connecting the image platform and the matrix server.
A communication method of an MCU switching system based on an E1 private line comprises the following steps:
s1, firstly, the video service is converged to the far-end switcher equipment by the far-end conference terminal of the branch conference place through transmission communication, meanwhile, the far-end switching equipment, the main switching equipment and the standby switching equipment are connected through optical fibers to form an annular network, meanwhile, the conference terminal service of the local conference place is directly connected to the main switching equipment, and the main MCU and the standby MCU are respectively connected with the main switching equipment and the standby switching equipment;
s2, then, the video images of the remote conference are gathered to the main MCU, the television wall server is accessed by connecting the image platform and the matrix server, and meanwhile, the main switching equipment and the main MCU are connected with the PC server to control the switching and establish the conference service;
s3, when the main MCU has an emergency fault, all/part of the video conference service can be quickly backed up to the standby MCU through the switching equipment according to the fault, the main conference place has no perception, and the conference can be continued;
when a line fails, the circuit backup switching can be automatically carried out on all/part of services through the protection of the ring network, meanwhile, the connected optical/electric line state can be detected, the line fault positioning is realized, and the MCU backup of any two points is not limited by regions through the optical fiber connection switching device;
the switching device is embedded with a liquid crystal screen and an operating system thereof, and reports the working state of data in real time through a self-defined bottom layer protocol and a communication function inside a machine, thereby providing fault diagnosis functions of services, lines, ports and the like and finishing visual monitoring communication.
Example (b): aiming at important video conference application scenes based on E1 private line communication, when a user holds a command, a scheduling conference or an emergency conference, two sets of video conference systems which originally run independently can be interconnected by adopting an MCU private line switcher to realize the aim of utilizing idle resources of original MCU equipment, the original two places of independent MCU equipment form a remote backup mode, and the complete backup of a main MCU is realized under the condition that the backup MCU capacity is sufficient. At ordinary times, the main MCU and the standby MCU can independently hold different conferences at the same time and are not mutually interfered, if sudden failures occur, an operator can quickly switch all/part of conferences to the backup MCU device within 5 seconds, the backup MCU device re-initiates calls with the conference site terminal, the main conference site has no perception, the recovery time of the sub conference site depends on the number of the conference sites, the conference can be recovered within 20 seconds of the longest interruption time, through adding the MCU private line switching device, the MCU private line switching device can replace an optical transceiver between the original transmission machine room and the conference machine room, so that conference support personnel have greater free control right on a link, and meanwhile, the channel quality detection function is added, the fault location of an optical/electric line can be realized, and the communication time with the transmission machine room can be saved while the MCU guarantee is realized.
The conference terminal services of the local conference place are directly connected to the main switching equipment, and the main MCU and the standby MCU are respectively connected with the main switching equipment and the standby switching equipment;
then the video image of the far-end conference is gathered to the main MCU, the television wall server is accessed by connecting the image platform and the matrix server, and meanwhile, the main switching equipment and the main MCU are connected with the PC server to control the switching and establish the conference service;
when a sudden fault occurs at a main MCU, all/part of video conference services can be quickly backed up to a standby MCU through a switching device according to the fault, the main meeting place is unaware, the conference can be ensured to be continuously carried out, when a line fault occurs, all/part of services can be automatically switched in a line backup mode through ring network protection, simultaneously, the connected optical/electric line state can be detected, the line fault is positioned, any two points of MCU backup is not limited by regions through an optical fiber connection switching device, meanwhile, a liquid crystal screen and an operating system thereof are embedded in the switching device, the real-time data reporting to the working state is realized through a customized bottom layer protocol and the communication function in the machine, the fault diagnosis functions of services, lines, ports and the like are provided, and visual monitoring communication can be completed.
The switching time is effectively reduced through the switching device and the implementation method thereof, the annular protection switching time is less than or equal to 50ms, and the video image is not interrupted; the main meeting place has no perception; the packet service switching time is less than or equal to 5 seconds, and the video image recovery time is less than or equal to 20 seconds; the switching time of all services is less than or equal to 5 seconds, and the video image recovery time is less than or equal to 20 seconds.
Simultaneously has the following characteristics:
the guarantee range is MCU, transmission machine room to meeting machine room transmission channel; the MCU backup is supported locally/remotely, and the idle resources of the existing MCU are fully utilized to realize mutual backup among the MCUs; if enough optical cable resources exist, MCU backup can be realized within a range of dozens of kilometers; the channel protection from the transmission machine room to the conference machine room channel is realized, which is different from the prior single-chain transmission mode of the optical transceiver and prevents the condition that the conference room cannot be connected with the MCU after the optical path between the transmission machine room and the conference machine room is cut off; the system has a line quality detection function, and can give an alarm in equipment or network management if the line quality has problems; the switching time can be ensured, and the conference can be switched to another MCU in 20S through one-key switching of the network manager; the meeting place link is freely switched, one-to-one communication line with the transmission side is not needed, and the transmission side only needs to ensure the channel quality; the running state of the equipment can be visually displayed, and operation and maintenance personnel can check the on-off and quality states of the link at the equipment without communicating with a transmission network manager; when a fault occurs, the operation is simple and convenient, and excessive actions are not needed for one-key switching on the network manager; e1 has more service capacity and small human resource consumption.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. An MCU switching system based on E1 private line is characterized by comprising a plurality of far-end conference terminals, a far-end switching device, a main switching device and a standby switching device, wherein the far-end switching device is electrically connected with the far-end conference terminals, the far-end switching device is electrically connected with the main switching device and the standby switching device respectively, the main switching device and the standby switching device are electrically connected, the output end of the main switching device is electrically connected with a local conference terminal, the output end of the main switching device is electrically connected with a switch through CAT, the output end of the switch is electrically connected with a PC server, the output end of the main switching device is electrically connected with a main MCU, the main MCU is electrically connected with the switch, the output end of the main MCU is electrically connected with an image platform, and the output end of the image platform is electrically connected with a DVI matrix server, the output end of the matrix server is electrically connected with a television wall server, and the output end of the standby switching equipment is electrically connected with a standby MCU.
2. The MCU switching system based on E1 private line of claim 1, wherein the remote switching device, the active switching device and the standby switching device together form a switching device, the switching device is embedded with a liquid crystal display and an operating system thereof, and the switching device realizes visual monitoring communication with a communication function inside a machine through a custom underlying protocol.
3. The MCU switching system based on E1 private line of claim 1, wherein the remote conference terminal converges video traffic to a remote switcher device through transport communication.
4. The MCU switching system based on E1 private line of claim 1, wherein the remote switching device, the primary switching device and the standby switching device are connected by optical fiber to form a ring network.
5. The MCU switching system based on E1 private line of claim 1, wherein conference terminal services of the local conference room are directly connected to the master switching device.
6. The MCU switching system based on E1 private line of claim 1, wherein the video images of the remote conference terminals are converged to the master MCU and accessed to a video wall server by connecting an image station and a matrix server.
7. A communication method of an MCU switching system based on an E1 private line is characterized by comprising the following steps:
s1, firstly, the video service is converged to the far-end switcher equipment by the far-end conference terminal of the branch conference place through transmission communication, meanwhile, the far-end switching equipment, the main switching equipment and the standby switching equipment are connected through optical fibers to form an annular network, meanwhile, the conference terminal service of the local conference place is directly connected to the main switching equipment, and the main MCU and the standby MCU are respectively connected with the main switching equipment and the standby switching equipment;
s2, then, the video images of the remote conference are gathered to the main MCU, the television wall server is accessed by connecting the image platform and the matrix server, and meanwhile, the main switching equipment and the main MCU are connected with the PC server to control the switching and establish the conference service;
s3, when the main MCU has sudden failure, all/part of video conference service can be quickly backed up to the standby MCU through the switching device according to the failure, the main conference place has no perception, and the conference can be continued
When the circuit is in fault, the circuit backup switching can be automatically carried out on all/part of services through the protection of the ring network, meanwhile, the connected optical/electric circuit state can be detected, the circuit fault positioning is realized, and the MCU backup of any two points is realized through the optical fiber connection switching device without being limited by regions
The switching device is embedded with a liquid crystal screen and an operating system thereof, and reports the working state of data in real time through a self-defined bottom layer protocol and a communication function inside a machine, thereby providing fault diagnosis functions of services, lines, ports and the like and finishing visual monitoring communication.
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| CN115277377A (en) * | 2022-05-19 | 2022-11-01 | 亿点云计算(珠海)有限公司 | Service acquisition method, device, terminal and storage medium based on distributed cloud |
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